feat: Add MySQL ent-based storage driver

.github/workflows/ci.yaml

@@ -35,6 +35,15 @@ jobs:
           - 3306
         options: --health-cmd "mysql -proot -e \"show databases;\"" --health-interval 10s --health-timeout 5s --health-retries 5
 
+      mysql-ent:
+        image: mysql:5.7
+        env:
+          MYSQL_ROOT_PASSWORD: root
+          MYSQL_DATABASE: dex
+        ports:
+          - 3306
+        options: --health-cmd "mysql -proot -e \"show databases;\"" --health-interval 10s --health-timeout 5s --health-retries 5
+
       etcd:
         image: gcr.io/etcd-development/etcd:v3.5.0
         ports:
@@ -77,24 +86,36 @@ jobs:
           DEX_MYSQL_PASSWORD: root
           DEX_MYSQL_HOST: 127.0.0.1
           DEX_MYSQL_PORT: ${{ job.services.mysql.ports[3306] }}
+
+          DEX_MYSQL_ENT_DATABASE: dex
+          DEX_MYSQL_ENT_USER: root
+          DEX_MYSQL_ENT_PASSWORD: root
+          DEX_MYSQL_ENT_HOST: 127.0.0.1
+          DEX_MYSQL_ENT_PORT: ${{ job.services.mysql-ent.ports[3306] }}
+
           DEX_POSTGRES_DATABASE: postgres
           DEX_POSTGRES_USER: postgres
           DEX_POSTGRES_PASSWORD: postgres
           DEX_POSTGRES_HOST: localhost
           DEX_POSTGRES_PORT: ${{ job.services.postgres.ports[5432] }}
+
           DEX_POSTGRES_ENT_DATABASE: postgres
           DEX_POSTGRES_ENT_USER: postgres
           DEX_POSTGRES_ENT_PASSWORD: postgres
           DEX_POSTGRES_ENT_HOST: localhost
           DEX_POSTGRES_ENT_PORT: ${{ job.services.postgres-ent.ports[5432] }}
+
           DEX_ETCD_ENDPOINTS: http://localhost:${{ job.services.etcd.ports[2379] }}
+
           DEX_LDAP_HOST: localhost
           DEX_LDAP_PORT: 389
           DEX_LDAP_TLS_PORT: 636
+
           DEX_KEYSTONE_URL: http://localhost:${{ job.services.keystone.ports[5000] }}
           DEX_KEYSTONE_ADMIN_URL: http://localhost:${{ job.services.keystone.ports[35357] }}
           DEX_KEYSTONE_ADMIN_USER: demo
           DEX_KEYSTONE_ADMIN_PASS: DEMO_PASS
+
           DEX_KUBERNETES_CONFIG_PATH: ~/.kube/config
 
       - name: Lint

cmd/dex/config.go

@@ -183,6 +183,7 @@ var (
 	_ StorageConfig = (*sql.MySQL)(nil)
 	_ StorageConfig = (*ent.SQLite3)(nil)
 	_ StorageConfig = (*ent.Postgres)(nil)
+	_ StorageConfig = (*ent.MySQL)(nil)
 )
 
 func getORMBasedSQLStorage(normal, entBased StorageConfig) func() StorageConfig {
@@ -200,9 +201,9 @@ var storages = map[string]func() StorageConfig{
 	"etcd":       func() StorageConfig { return new(etcd.Etcd) },
 	"kubernetes": func() StorageConfig { return new(kubernetes.Config) },
 	"memory":     func() StorageConfig { return new(memory.Config) },
-	"mysql":      func() StorageConfig { return new(sql.MySQL) },
 	"sqlite3":    getORMBasedSQLStorage(&sql.SQLite3{}, &ent.SQLite3{}),
 	"postgres":   getORMBasedSQLStorage(&sql.Postgres{}, &ent.Postgres{}),
+	"mysql":      getORMBasedSQLStorage(&sql.MySQL{}, &ent.MySQL{}),
 }
 
 // isExpandEnvEnabled returns if os.ExpandEnv should be used for each storage and connector config.